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11221107201 = 33415596563
BaseRepresentation
bin10100111001101010…
…01000001000000001
31001222000111022022000
422130311020020001
5140440100412301
65053243134213
7545032560153
oct123465101001
931860438260
1011221107201
114839027a17
122211b14369
13109a992005
147863c8ad3
1545a1b7786
hex29cd48201

11221107201 has 8 divisors (see below), whose sum is σ = 16623862560. Its totient is φ = 7480738116.

The previous prime is 11221107187. The next prime is 11221107223. The reversal of 11221107201 is 10270112211.

It is not a de Polignac number, because 11221107201 - 214 = 11221090817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11221109201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207798255 + ... + 207798308.

It is an arithmetic number, because the mean of its divisors is an integer number (2077982820).

Almost surely, 211221107201 is an apocalyptic number.

It is an amenable number.

11221107201 is a deficient number, since it is larger than the sum of its proper divisors (5402755359).

11221107201 is an equidigital number, since it uses as much as digits as its factorization.

11221107201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415596572 (or 415596566 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 18.

Adding to 11221107201 its reverse (10270112211), we get a palindrome (21491219412).

The spelling of 11221107201 in words is "eleven billion, two hundred twenty-one million, one hundred seven thousand, two hundred one".

Divisors: 1 3 9 27 415596563 1246789689 3740369067 11221107201